
Closed
Posted
Paid on delivery
I'm seeking an experienced back-end developer to complete several critical tasks for our AI music sharing app, which also serves as a social platform. Key tasks include: - User authentication and management, including OAuth integration and social media logins. - Database setup and integration. - API connection and handling for both Apple Music and Spotify. - Preparing for launch on the App Store and testing via TestFlight. Ideal skills and experience: - Proficiency in back-end technologies and databases. - Experience with OAuth and social media authentication. - Familiarity with Apple Music and Spotify APIs. - Prior experience in app store deployment and TestFlight testing. Looking forward to your expertise in bringing this project to completion!
Project ID: 40600644
245 proposals
Remote project
Active 7 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
245 freelancers are bidding on average $491 CAD for this job

Hi, I can complete the backend of your AI music sharing and social platform by implementing secure authentication, scalable database architecture, seamless Apple Music & Spotify integrations, and preparing the application for a successful App Store launch. The focus will be on delivering a stable, secure, and production-ready backend with clean APIs, reliable performance, and a smooth TestFlight deployment process. A few quick questions: • Is your backend already built (Node.js, Laravel, Django, Firebase, etc.), or do you need the remaining architecture to be completed from scratch? • Which social login providers do you want to support besides Apple (Google, Facebook, X, etc.)? I have extensive experience building scalable backend systems, OAuth authentication, REST APIs, third-party integrations, database design, Apple Music & Spotify API integrations, and App Store/TestFlight deployment support. Let’s chat.. Thanks
$500 CAD in 7 days
9.4
9.4

Hi — Elias here from Miami. I see you’re looking to enhance your AI music app’s back-end. The goal here is to ensure the back-end can handle the complexities of AI-driven music generation while maintaining a seamless user experience. A common issue in systems like this is ensuring that the architecture can scale effectively as user demand grows. It's crucial to address data management and API efficiency early on to prevent bottlenecks. The tricky part is usually integrating various AI components while maintaining flexibility for future features. My approach would focus on building a modular back-end system. This enables easy updates and integrations, ensuring long-term stability and maintainability. I’ve worked on similar AI applications, where I prioritized robust API development and efficient database management, which kept the system responsive and reliable. A few questions to better understand the scope: Q1 – What specific user roles will need different permissions in the app? Q2 – Are there any third-party integrations you foresee being essential for the app? Q3 – What are your scaling expectations as you move forward with this project? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$600 CAD in 5 days
8.4
8.4

HELLO, WE HAVE WORKED ON SIMILAR AI-POWERED SOCIAL, MUSIC, AND STREAMING PLATFORM BACKENDS AND CAN SHARE RELEVANT EXAMPLES. I have carefully reviewed your requirements and understand that your AI music sharing app already has an existing foundation and now needs a production-ready backend with user authentication, OAuth/social logins, database integration, Apple Music & Spotify API connectivity, and App Store/TestFlight launch preparation. I have 8+ years of experience in Node.js, FastAPI, PostgreSQL, OAuth 2.0, Apple Sign-In, Spotify Web API, Apple Music API, JWT authentication, social platform backends, and mobile app deployment workflows. I can complete the remaining backend tasks, stabilize the API layer, and prepare the system for TestFlight testing and App Store submission. I can help with: Secure authentication and user management Apple, Google, and social login integration Database setup, migration, and optimization Apple Music and Spotify API integration User sessions, tokens, and refresh flows Backend deployment and environment configuration TestFlight setup, testing support, and launch readiness I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, API DOCUMENTATION, AND ASSISTANCE THROUGH DEVELOPMENT, TESTING, TESTFLIGHT DEPLOYMENT, AND APP STORE LAUNCH. Thanks, Christina
$300 CAD in 10 days
8.4
8.4

This looks like a great fit, Hi, I will deliver the back end for your AI music sharing app: OAuth with social logins, database setup, and full API integration for both Apple Music and Spotify, all wired up and ready for TestFlight. On a recent social music project, separating the Spotify and Apple Music token refresh logic into its own service eliminated most of the "session expired" errors users were hitting. I will structure yours the same way. Questions: 1) Which back end stack are you using (Node, Python, Firebase, something else)? 2) Are the Apple Music and Spotify developer accounts already provisioned, or do those still need setup? Share your current repo access and I will review what is in place and outline the remaining work by tomorrow. Looking forward to your response. Best regards, Kamran
$284 CAD in 10 days
7.7
7.7

Hey, I’ve carefully reviewed your project, and I understand you need a reliable back-end developer to complete and prepare your AI music sharing app for launch. I can help you build a secure, scalable backend that supports smooth user management, integrations, and a reliable app experience. I will implement user authentication, OAuth and social login flows, database setup, API integrations with Apple Music and Spotify, and handle the required backend improvements for App Store readiness. I will also assist with testing workflows and ensure the system is properly structured, secure, and prepared for future growth. I have hands-on experience with backend development, API integrations, and application deployment workflows and would be happy to discuss your current setup. One quick question: What backend technology and database are currently being used for the app? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards, Hammad Hassan
$400 CAD in 12 days
7.3
7.3

Hello!, This is James from Hollywood... I read your AI music app back-end project carefully, and I understand you need a developer who can finish the critical server-side pieces cleanly, not just patch things together. With 15 years of experience in backend engineering, API development, database design, OAuth, and mobile app integrations, I can help make the app stable, scalable, and ready for real users. My approach would be straightforward: 1. Review the current architecture and identify what’s missing or fragile 2. Build or clean up the backend APIs, auth, and database logic 3. Connect the AI music features properly and test edge cases 4. Validate performance, security, and mobile compatibility before handoff I’ve worked on production systems across AI tools, mobile apps, SaaS platforms, and data-heavy backends, so I’m comfortable handling projects where reliability matters. I also pay close attention to details, because in projects like this, small backend issues usually become major app problems later. Could you please clarify the following questions to help me better understand the project? 1. What parts of the back-end are already built, and what specifically still needs to be completed? 2. Which AI/music generation services or APIs are currently being used, if any? 3. Do you already have the database schema and auth setup defined, or should I help shape those too? If useful, I can start with a quick audit of the current codebase and give you a clear action plan
$600 CAD in 2 days
6.5
6.5

Respectfully I reviewed your AI music sharing app requirements and understand the need for secure authentication, database integration, music API connections, and App Store launch preparation. I can help complete the backend system with reliable solutions focused on performance, security, and smooth user experience. I have experience with backend development, databases, OAuth authentication, APIs, and application deployment workflows. My approach includes analyzing the existing system, integrating required services, testing functionality, optimizing performance, and maintaining clear communication throughout the project. Portfolio: freelancer.pk/u/zainalitariq245 I am ready to start immediately and ensure smooth communication throughout the project. 1. What is your main success goal for completing this app? 2. Do you have existing backend technologies or API integration guidelines? Looking forward to discussing your project in detail. Best regards, Zain Ali
$400 CAD in 7 days
6.4
6.4

Hi, I bring 9+ years of combined experience in Python development, Data Science, Data Analytics, and Business Intelligence, helping clients turn raw data into meaningful insights and actionable dashboards. My Core Expertise Includes: Node js , React Js, Mongo , Blockchain, crypto currency Python Development: Pandas, NumPy, Scikit-learn, FastAPI, Flask, Django Data Science & Machine Learning: Data cleaning, EDA, predictive modeling, AI/ML solutions Data Analytics: Statistical analysis, reporting, automation, data mining Power BI: Interactive dashboards, DAX, Power Query, data modeling, KPI reporting Databases & Big Data: SQL, NoSQL, SparkML AI & Frameworks: TensorFlow, PyTorch, Cursor, Calude, gemini, nano, chatgpt. I focus on clean code, clear insights, performance optimization, and business-oriented outcomes. I ensure timely delivery and transparent communication throughout the project lifecycle. Let’s connect to discuss your requirements in detail and define the best approach for your project. Looking forward to working with you. Regards, Anju
$500 CAD in 14 days
6.6
6.6

Hello!! Your AI music sharing application can be completed with a secure back end that includes user authentication, OAuth and social media logins, database integration, Apple Music and Spotify API connections, and full preparation for App Store launch with TestFlight testing. Strong experience includes building scalable back end systems, integrating third party APIs, managing secure authentication, and preparing mobile applications for successful production releases. Every feature is developed with performance, security, and future growth in mind to deliver a reliable user experience. Would love to discuss your project in chat and share the best approach to complete everything smoothly. Best regards Farhin B
$260 CAD in 12 days
6.7
6.7

Hi I understand you are looking for AI music app back-end development that supports your iOS and Android apps with reliable APIs, secure authentication (OAuth), and database management, so your app’s AI features can work consistently in production. I’m Justin, a results-driven AI and web developer focused on building practical, scalable application back-ends. My approach is to translate mobile needs into clean API contracts and data workflows, then add secure auth and testing so the integration is predictable and maintainable. For this project, I would start by mapping the app’s required back-end endpoints and data flows, then implement the API layer and database schema to support your core AI music capabilities. Next I’d integrate OAuth-based sign-in and permission checks, add logging/error handling, and validate the endpoints with mobile-focused testing patterns so your iOS/Android clients can connect without guesswork. The outcome is a working back-end setup with documented endpoints and a clear checklist for mobile integration and ongoing reliability. Best, Justin
$500 CAD in 7 days
6.2
6.2

Hello, Are you planning to use a specific back-end technology stack for this project? Do you have any existing codebase or database schema in place? Excited about your AI music sharing app! To bring this project to life, I'll ensure seamless integration of user authentication and smooth API handling. One potential challenge is managing OAuth across different social media platforms, and I'll ensure a consistent user experience for all logins. I'll send examples of similar work in chat. Let's connect soon to discuss the project details and timeline. Feel free to message me anytime – looking forward to collaborating!
$250 CAD in 5 days
6.0
6.0

Hello, With our extensive experience in building robust, scalable back-end systems for a variety of platforms and industries, we are well-equipped to handle the complex tasks your AI music app requires. From user authentication and management to database setup and integration, we understand the importance of developing a reliable and secure foundation for your platform. Our expertise in OAuth and social media authentication will guarantee a seamless user experience, giving you an edge over competitors. Furthermore, our familiarity with Apple Music and Spotify APIs coupled with previous app store deployments will significantly contribute to your goals. We strive for excellence in every project and focus on turning clients' visions into reality. Partnering with us means getting the best of both worlds - technical expertise alongside unparalleled creativity. I assure you that choosing us will provide you not just technical solutions but also peace of mind, knowing that your project is being handled by skilled professionals who always put client satisfaction first. Let's collaborate to create an AI music app that revolutionizes the way people share, discover, and enjoy music! Thanks!
$350 CAD in 4 days
6.3
6.3

Hi, This looks more like a backend completion and launch-stabilization project than a full rebuild. I would focus first on secure authentication and clean Spotify and Apple Music API handling, then complete the database integration and resolve launch blockers through TestFlight testing. I have worked on mobile and platform-based applications involving OAuth, third-party APIs, backend architecture, and App Store deployment. I can help bring the current app to a stable, launch-ready state without overcomplicating the existing codebase.
$525 CAD in 10 days
5.9
5.9

Hello! We have experience developing secure back-end systems for mobile applications, including social platforms, media apps, and API integrations. We can help complete your AI music app and prepare it for a successful App Store launch. What We Will Deliver: • User Authentication & Social Login Integration • Secure User Management • Database Setup & Optimization • Apple Music & Spotify API Integration • REST API Development & Integration • Performance & Security Optimization • TestFlight Setup & App Store Launch Support • Clean, Maintainable Source Code We understand the importance of building a reliable and scalable backend that supports seamless music integration, user management, and future growth. We can also assist with testing, deployment, and post-launch support. We look forward to discussing your project. Thank you, InvokeTech
$400 CAD in 7 days
5.6
5.6

A music social app lives or dies on how smoothly the backend handles auth, streaming APIs, and launch — that's the piece I can get production-ready for you. I understand the scope: solid user authentication with OAuth and social logins, a properly integrated database, working connections to both Apple Music and Spotify APIs, and a clean path through TestFlight to App Store launch. How I'll build it: Firebase Auth (or Node.js + Passport, whichever fits your existing stack) for email, Google, Apple, and Facebook login — OAuth flows handled securely end-to-end. Firestore/PostgreSQL database design for users, playlists, social interactions, and music metadata — structured to scale as your user base grows. Spotify Web API integration (auth, playback, playlist/track data) and Apple MusicKit integration, with token refresh and rate-limit handling done right. Cloud Functions/Node.js backend for API orchestration, keeping music-service logic separate from your app's core social features. App Store prep: build configuration, TestFlight setup, provisioning profiles, and guideline-compliance checks (especially around music API licensing terms) before submission. Why me: 6+ years as a mobile/backend Team Lead, 10+ live apps shipped end-to-end — including OAuth/social login systems, Firebase-based real-time backends, and multiple App Store submissions (handling rejections,
$500 CAD in 7 days
6.2
6.2

Apple Music and Spotify integrations usually aren't the hard part here—the tricky bit is keeping OAuth, token refresh, and account linking reliable when users sign in with different social providers, especially before App Store review. I'd start by checking the current backend state so we know what's already implemented versus what's blocking launch. From there I'd complete authentication, wire up the database if it's still incomplete, and finish the Apple Music and Spotify API connections with proper error handling around expired tokens and authorization failures. Before TestFlight, I'd also verify that authentication flows behave consistently across fresh installs, returning users, and revoked permissions, since those issues tend to surface late. One question: is there an existing backend and database to build on, or are these pieces still being created from scratch? Once that's clear, I can focus on getting the app into a launch-ready state rather than just checking off individual tasks.
$500 CAD in 7 days
5.7
5.7

Hello, the main issue here is that “AI music app back-end” can mean anything from metadata workflows to real-time audio inference, and those are very different systems. The real engineering risk is defining the processing path early so latency-sensitive audio work does not get mixed with standard API, storage, and orchestration concerns. I’ve built several production AI systems where the backend had to separate ingestion, processing, and delivery cleanly. That matters here because the architecture changes a lot depending on whether the product is handling live audio, uploaded tracks, or recommendation logic. The closest relevant work is AI Translator Plugin for low-latency audio pipeline design, and DocIntel AI — Document Intelligence & Event Extraction Platform for production backend orchestration and API architecture. I usually structure systems like this by isolating media intake, asynchronous processing, and client-facing response services so each can scale independently. That keeps queueing, retries, and storage policy from bleeding into the user path. If AI is part of the core product behavior, I also recommend explicit evaluation logic, fallback handling, and observability around failed jobs and degraded outputs. If useful, I can sketch the backend service boundaries and processing flow for the first release. Clifton
$500 CAD in 7 days
5.6
5.6

Hello! As per your project post, you are looking for an experienced backend developer to complete the core infrastructure of your AI powered music sharing and social platform. The backend should securely manage users, integrate with Apple Music and Spotify, support social authentication, and provide a scalable foundation for a successful App Store launch and TestFlight testing. My approach would begin with reviewing your existing application architecture, followed by implementing secure user authentication with OAuth and social logins, designing and integrating the database, developing robust APIs, and connecting Apple Music and Spotify services. I will also optimize the backend for performance, security, and scalability while ensuring smooth communication with the mobile application. I specialize in Node.js, Laravel, Python, PostgreSQL, MySQL, REST APIs, OAuth authentication, Apple Music API, Spotify API, cloud deployment, backend architecture, and scalable application development. My focus is on delivering a secure, maintainable, and high performance backend that provides a seamless user experience and supports future feature expansion. Let's connect to discuss your requirements and complete a reliable backend that prepares your AI music platform for a successful launch. Best regards, Nikita Gupta
$300 CAD in 7 days
5.8
5.8

✋ Hi There!!! ✋ The Goal of the project:- COMPLETE THE AI MUSIC SOCIAL APP BACKEND WITH SECURE AUTHENTICATION, DATABASE INTEGRATION, MUSIC APIs, AND APP STORE LAUNCH READINESS. I have carefully read and understood your complete requirements, including OAuth, social logins, database setup, Apple Music and Spotify APIs, TestFlight, and App Store deployment. With 9+ years experience as a full stack developer, I am the best fit for delivering a secure and scalable backend. I can provide: 1. User authentication, management, OAuth, and social logins 2. Robust database setup and management 3. Apple Music and Spotify API integration 4. Backend API development and testing 5. TestFlight testing, App Store deployment support, and full source code delivery I have completed similar AI music apps, social platforms, API integrations, and mobile application backends with successful launch preparation. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$260 CAD in 12 days
5.4
5.4

hi, i have reviewed the details of your project. i have strong experience working on backend systems for mobile apps with user authentication, database integration, oauth login, and api connections. i can complete the remaining backend work by setting up secure user management, connecting apple music and spotify apis, preparing the app for testflight, and making sure everything is ready for app store launch with proper testing. can we schedule a quick meeting to discuss the project in detail. it will help me understand your needs better and give you a clear plan with timeline and budget. i will also share my portfolio during the chat. thanks mughiraa
$500 CAD in 7 days
5.1
5.1

Toronto, Canada
Payment method verified
Member since Sep 16, 2024
₹1500-12500 INR
$8-15 USD / hour
₹1500-12500 INR
₹600-1500 INR
$30-250 NZD
$30-250 AUD
€8-30 EUR
$250-750 AUD
£250-750 GBP
$15-25 USD / hour
£20-250 GBP
₹12500-37500 INR
₹600-1500 INR
$250-750 USD
₹750-1250 INR / hour
₹12500-37500 INR
$25-50 USD / hour
₹500000-1000000 INR
₹12500-37500 INR
₹100-400 INR / hour